Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

34°F

1°C

Humidity 73%
Wind Speed NW 3 mph
Barometer 30.20 in (1023.1 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 9 Dec 12:53 am EST
Extended Forecast for

2 Miles ESE Walland TN

  • Overnight

    Overnight: Cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 46. Light southwest wind becoming west 5 to 10 mph in the afternoon.

    High: 46 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 34. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers after 1pm.  Partly sunny, with a high near 52. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 52 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of rain showers before midnight, then a slight chance of snow showers between midnight and 1am.  Mostly cloudy, with a low around 29. West wind 5 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Showers then
    Slight Chance
    Snow Showers

  • Thursday

    Thursday: Partly sunny, with a high near 42. West wind 5 to 10 mph.

    High: 42 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30. Southwest wind around 5 mph.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers before 1am.  Partly cloudy, with a low around 35.

    Low: 35 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Cloudy, with a low around 25. Calm wind.
Tuesday
Partly sunny, with a high near 46. Light southwest wind becoming west 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 34. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 52. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
A slight chance of rain showers before midnight, then a slight chance of snow showers between midnight and 1am. Mostly cloudy, with a low around 29. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Thursday
Partly sunny, with a high near 42. West wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 30. Southwest wind around 5 mph.
Friday
Mostly sunny, with a high near 51.
Friday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 35.
Saturday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 53.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 33.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 42.
Sunday Night
Mostly clear, with a low around 22.
Monday
Mostly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Walland TN
 35.72°N 83.77°W (Elev. 1640 ft)
12:31 am EST Dec 9, 2025
1am EST Dec 9, 2025-6pm EST Dec 15, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database